@misc{indiciae398ca7ec04ed,
  title = {Interlaboratory study of a method for determining nonvolatile organic carbon in aquifer materials},
  author = {M.E. Caughey and M.J. Barcelona and R.M. Powell and R.A. Cahill and C. Gron and D. Lawrenz and P.L. Meschi},
  year = {1995},
  doi = {10.1007/bf00770471},
  url = {https://pubs.usgs.gov/publication/70018746},
  note = {Source identifier: 70018746}
}